B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
4.9%
4.9% -- price inflation for UK plumbing & heating merchants (2026-04)
Prices at specialist UK plumbing and heating merchants increased by 4.9% year-on-year in April 2026.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
4.9%
Unit
Percentage
Data Vintage
2026-04
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
MRA Research / Builders Merchants Federation (PHMI)
Primary
Tier A
https://phmi.co.uk/ph-merchants-like-for-like-april-sales-up-0-5-year-on-year/ ↗
Source Article
P&H Merchants like-for-like April sales up +0.5% year-on-year
P&H Merchants like-for-like April sales up +0.5% year-on-year
Posted 30th June 2026
The latest figures from the Plumbing & Heating Merchant Index (PHMI) report show like-for-like value sales (adjusted to remove the impact of trading days) for April 2026 through specialist plumbing and heating mercha…
Original Research
MRA Research / Builders Merchants Federation (PHMI)
· Original study ↗
Methodology
Year-on-year price change, NIQ GfK Plumbing & Heating Merchant Panel
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
UK plumbing & heating merchants: 4.9% price inflation. Source: MRA Research / Builders Merchants Federation (PHMI) (2026-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/phmi-price-inflation-april-2026
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<blockquote cite="https://lighthousedata.io/data/phmi-price-inflation-april-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4.9%</strong> -- price inflation for UK plumbing & heating merchants<br><small>Source: MRA Research / Builders Merchants Federation (PHMI) (2026-04) · <a href="https://lighthousedata.io/data/phmi-price-inflation-april-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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